you can buy physical voucher through 11 street can save a lot. For example, you just pay rm16
For 20 KFC voucher. Other voucher such as giant voucher, Watson voucher and others.
When u online shopping in 11street, u can see some cheaper stuff like bhpetrol e-voucher. U can buy it rm10 for rm9.00 ringgit only. U can buy maximum 5 pics. Then you save rm5.00. petrol no mark up price one, so any discount is a good deal.